Cover for a vehicle roll bar



FIG. 1 is an enlarged top perspective view of a cover for a vehicle roll bar, showing my new design in its environment;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right-side elevation view, the left side elevation view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in FIGS. 1-6 depict environmental subject matter of a vehicle and form no part of the claimed design.

The diamond stitching pattern can appear at different positions on the cover. 

CLAIM The ornamental design for a cover for a vehicle roll bar, as shown. 